The control module detected a fault associated with the Auxiliary Transmission Fluid Pump Motor Phase V Current circuit or function; the stored code identifies the affected component rather than a single failure mode.
TuningBot DTC Database · v4.37.15
P0B03 Auxiliary Transmission Fluid Pump Motor Phase V Current
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P0B03 means
Related and nearby codes
How to read P0B03
Powertrain: engine, transmission and driveline systems.
Generic SAE-standard code: same meaning on every make.
Specific fault index within the subsystem.
Frequently asked questions about P0B03
What does P0B03 mean?
Auxiliary Transmission Fluid Pump Motor Phase V Current. The control module detected a fault associated with the Auxiliary Transmission Fluid Pump Motor Phase V Current circuit or function; the stored code identifies the affected component rather than a single failure mode.
Is P0B03 generic or manufacturer-specific?
P0B03 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P0B03 at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
Other file services
Understand the system behind this code: Diagnostic Strategy and DTC Logic
